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Astronomers have discovered a close pair of actively feeding supermassive black holes, seen when the universe was just 1.3 billion years old. Collectively known as
Within minutes of impact, debris began heating Earth’s atmosphere. Fine dust trapped that heat, potentially killing the dinosaurs quickly.
Just over two weeks after the total solar eclipse on Aug. 12 comes an encore. On the night of Aug. 27–28, a very deep partial
Every time you use your smartphone to send a text, take a photo or post to social media, countless electrons are doing the heavy lifting
The first photos from yesterday’s total solar eclipse are here, and they’re spectacular. Captured Wednesday (Aug. 12) by NASA scientists during a special eclipse livestream
Growth rings on a fossil bone suggest at least one mammal ancestor gave birth to live young rather than laying eggs 236 million years ago.
In the lab, female frogs were less likely to choose preferred males as mating calls increased, potentially giving other males a better shot.
For space fans and skywatchers, Wednesday, Aug. 12 is destined to be a date for the history books. Viewers in North America — including Alaska
Though the spectacular sight of a total solar eclipse feels like a rare experience, on a planetary scale, the average time between two such events
The eclipse has begun! Today (Aug. 12), the new moon swoops in front of the sun, casting its dark shadow across a stretch of Earth
A total solar eclipse is seen from San Millán de los Caballeros, Spain, Wednesday, Aug. 12, 2026.
At the quantum scale, tiny particles behave in bizarre ways. One reason for this is the uncertainty principle, which says that the more you know
The first photos from today’s total solar eclipse are here, and they’re spectacular. Captured Wednesday (Aug. 12) by NASA scientists during a special eclipse livestream
Octopuses are known to smack fish when they get too close. But while it might seem unsporting for an animal with eight arms to start
